A researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms. The table shows the results for the number of bacteria per cubic foot for both types of rooms. Full data set a Carpeted 9.1 14.8 Uncarpeted 9.4 16 10.8 6.4 10.8 8.8 10.7 12.4 11.5 11.6 13.7 9.4 13.4 7.8 Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a= 0.05 level of significance. Normal probability plots indicate that the data are approximately normal and boxplots indicate that there are no outliers.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Question
10.7 12.4
13
B. Ho 1 2
H1: P1> P2
O C. Ho 1-2
O D. Ho P1-H2
H1 P1 <P2
Determine the P-value for this hypothesis test.
P-value |(Round to three decimal places as needed.)
Transcribed Image Text:10.7 12.4 13 B. Ho 1 2 H1: P1> P2 O C. Ho 1-2 O D. Ho P1-H2 H1 P1 <P2 Determine the P-value for this hypothesis test. P-value |(Round to three decimal places as needed.)
A researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms. The table shows the
results for the number of bacteria per cubic foot for both types of rooms.
Full data set D
Сaгpeted
Uncarpeted
6.4
94
9.1
16
10.8
94
10.8
14.8
10.7
8.8
12.4
13.7
7.8
11.5
11.6
13.4
Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a= 0 05 level of significance. Normal probability plots indicate that the data
are approximately normal and boxplots indicate that there are no outliers.
State the null and alternative hypotheses. Let population 1 be carpeted rooms and population 2 be uncarpeted rooms.
OA Ho HI H2
B: Ho H1-P2
H, > #2
Transcribed Image Text:A researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms. The table shows the results for the number of bacteria per cubic foot for both types of rooms. Full data set D Сaгpeted Uncarpeted 6.4 94 9.1 16 10.8 94 10.8 14.8 10.7 8.8 12.4 13.7 7.8 11.5 11.6 13.4 Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a= 0 05 level of significance. Normal probability plots indicate that the data are approximately normal and boxplots indicate that there are no outliers. State the null and alternative hypotheses. Let population 1 be carpeted rooms and population 2 be uncarpeted rooms. OA Ho HI H2 B: Ho H1-P2 H, > #2
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